He'd never forgiven the Americans for what he regarded as an act of betrayal.

"It's such an act of betrayal that it has left her shocked," he said.

Some have argued that all writing is an act of betrayal or aggression.

Do I not have enough trouble without having to deal with this act of betrayal?

Even sitting here talking to you is an act of betrayal.

Others have called the book an act of betrayal and self-loathing.

He didn't look the type who'd commit an act of betrayal too easily.

Someone who knows about the great act of betrayal so many years ago.

The union's support of the deal is viewed by many members as an act of betrayal.

This results in an act of betrayal that leaves Sam reeling.